Show HN: Online Sound Decibel Meter
21 hours ago
- #noise-measurement
- #audio-analysis
- #sound-meter
- Browser-based sound level meter using device's microphone for real-time noise measurement.
- Utilizes Web Audio API with FFT and RMS calculations to estimate decibel readings.
- All audio processing occurs locally; no data is recorded, stored, or transmitted.
- Applicable for various uses: monitoring sleep, work, music events, and health awareness.
- Includes configurable settings like frequency weighting, calibration offset, and display history.
- Provides calibration tips for improved accuracy and lists factors affecting readings.
- Shows NIOSH noise exposure guidelines and troubleshooting for common issues.
- Ensures user privacy with local-only data processing and no tracking.